Be wary of websites that claim they can download "exclusive" Patreon images just by pasting a URL without you being a patron.
If you don't want to install anything, you can use the "Inspect Element" trick: Open the Patreon post. Right-click and select . Go to the Network tab and filter by Img . patreon image downloader online exclusive
For those who support multiple creators and want to maintain a massive archive, specialized scripts or software like or Hydrus Network are often used. Be wary of websites that claim they can